BattlefieldsBattle of Llangorse Lake
Early Medieval

Battle of Llangorse Lake

916
Breconshire, Wales
Era
Early Medieval
Battle Type
Pitched Battle
Location
Breconshire, Wales
Status
Unregistered
The Combatants

Who Fought

Defeated
Kingdom of Brycheiniog
VS
Victor
Æthelflæd, Lady of the Mercians
Outcome
Mercian victory; the royal llys at Llangorse Lake was burned and the queen of Brycheiniog and thirty-three others were taken captive
The Battle

History & Significance

The raid on Llangorse Lake was a Mercian military operation carried out by Æthelflæd, Lady of the Mercians, against the Welsh kingdom of Brycheiniog. Brycheiniog was an independent kingdom in South Wales that frequently acted as a buffer state between England and the wider Welsh kingdoms. The operation demonstrated Æthelflæd's willingness to project Mercian power into Wales as well as against the Danelaw. The Æthelflæd article records that in 916 she sent an army into Wales that burned the llys (royal court) at Llangorse Lake in Brycheiniog and captured the wife of the king of Brycheiniog along with a reported thirty-three others. The raid appears to have been punitive in character, though the precise cause is not recorded in the surviving sources. It illustrated that Æthelflæd was capable of offensive campaigning on multiple fronts during the same decade in which she was also pushing against the Danish-held boroughs of the Midlands.

Suspected site. The exact location is uncertain.
Buried history

In 916 Æthelflæd dispatched a Mercian army into South Wales that struck the royal crannog settlement on Llangorse Lake, the llys of the kingdom of Brycheiniog. The raiders burned the court and seized the queen of Brycheiniog together with thirty-three members of her household, carrying them back into Mercia. The swift strike against what was then the political heart of Brycheiniog showed the reach and aggression of Mercian power under its Lady.

Casualties & Losses

not recorded

Forces Involved

Mercian army dispatched by Æthelflæd; defenders of the Brycheiniog royal llys

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